Question

Ajudaaaaaaaaaa, é de física.

Answer 1

Fr = Fy = P

Fn = P - F sen α

Fn = 50 - 40 x 0,8

Fn = 50 - 32

Fn = 18 N

Na vertical:

Fr = 0

Na horizontal:

Fr = Fx - Fa

Fr = F x cos α - Fa

Fr = 40 x 0,6 - 20

Fr = 24 - 20

Fr = 4 N